T1 Energy Executive and Leadership Team

August, 2026

Leadership Overview

T1 Energy has 4 executives leading key functions including strategy, financial oversight, technology development, and group fiscal management.

Focused on domestic solar and battery supply chain expansion, T1 Energy invigorates the American energy landscape through scalable, reliable, and low-cost manufacturing solutions that power modern civilization.

Leadership Roles at T1 Energy

  • Chairman & Chief Executive Officer - Daniel Barcelo
  • Chief Financial Officer - Evan Calio
  • Group Chief Financial Officer - Oscar Brown
  • Chief Technology Officer - Andreas Bentzen
  • Daniel Barcelo - Chairman & Chief Executive Officer

    Daniel Barcelo, the Chairman & Chief Executive Officer at T1 Energy, directs the overarching corporate strategy to establish domestic solar and battery supply chains. By prioritizing advanced manufacturing capacity, the Chairman & Chief Executive Officer secures the resources necessary for scalable energy production across North American markets. This leadership role involves constant engagement with the Board to align operational goals with the mission of providing low-cost, reliable power. Daniel Barcelo drives the expansion of domestic infrastructure, ensuring that the company remains at the forefront of the energy transition. Through rigorous oversight of long-term planning, the Chairman & Chief Executive Officer mitigates supply chain risks while fostering innovation. By championing domestic production, Barcelo strengthens the national energy grid and positions the organization as a leader in sustainable, high-capacity energy solutions for the modern era.
    Daniel Barcelo

    Evan Calio - Chief Financial Officer

    Evan Calio, the Chief Financial Officer at T1 Energy, manages the capital allocation strategies required to scale domestic battery manufacturing. Overseeing the financial health of the organization, the Chief Financial Officer ensures that investments in solar supply chains yield sustainable growth and operational efficiency. This role involves coordinating with internal stakeholders to optimize cash flow and secure funding for large-scale industrial projects. Evan Calio monitors market trends to maintain a competitive cost structure, directly supporting the company goal of delivering affordable energy. By implementing robust financial controls, the Chief Financial Officer protects the balance sheet against volatility in the energy sector. Calio evaluates potential partnerships and expansion opportunities, ensuring that every fiscal decision advances the broader mission of domestic energy independence. Through precise financial modeling, the Chief Financial Officer sustains the momentum of the company manufacturing initiatives.
    Evan Calio

    Oscar Brown - Group Chief Financial Officer

    Oscar Brown, the Group Chief Financial Officer at T1 Energy, executes the enterprise-wide fiscal strategy to support the expansion of domestic energy manufacturing. Overseeing the financial reporting and compliance functions, the Group Chief Financial Officer ensures transparency and stability across all business units. This role involves managing complex financial structures that facilitate the growth of solar and battery supply chains. Oscar Brown coordinates with the broader leadership team to align regional operations with global financial objectives, ensuring consistent performance. By optimizing the capital structure, the Group Chief Financial Officer supports the company mission of delivering reliable, low-cost energy. Brown analyzes economic indicators to guide strategic decision-making, mitigating risks associated with large-scale industrial development. Through the rigorous management of group-level assets, the Group Chief Financial Officer provides the necessary financial foundation for the company to achieve long-term success in the competitive energy landscape.

    Andreas Bentzen - Chief Technology Officer

    Andreas Bentzen, the Chief Technology Officer at T1 Energy, architects the technical frameworks necessary for advanced solar and battery production. Overseeing the research and development departments, the Chief Technology Officer drives innovation in manufacturing processes to ensure high-performance energy output. This leadership role involves integrating cutting-edge engineering solutions into the domestic supply chain to maximize reliability and reduce costs. Andreas Bentzen collaborates with the executive team to translate complex technical requirements into scalable industrial reality. By refining production methodologies, the Chief Technology Officer enhances the efficiency of energy storage systems, directly impacting the company market position. Bentzen monitors global technological advancements to maintain a competitive edge in the energy sector. Through the implementation of sophisticated manufacturing protocols, the Chief Technology Officer ensures that all technical operations align with the core mission of providing sustainable, low-cost energy resources to the American market.
    Andreas Bentzen

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    Frequently Asked Questions Regarding T1 Energy Top Executives and Leadership Team

    Who leads T1 Energy?
    T1 Energy is led by Daniel Barcelo (Chairman & Chief Executive Officer), along with executives such as Evan Calio (Chief Financial Officer) and Oscar Brown (Group Chief Financial Officer).
    Who is part of T1 Energy’s executive team?
    The executive team of T1 Energy includes leaders such as Daniel Barcelo (Chairman & Chief Executive Officer), Evan Calio (Chief Financial Officer), Oscar Brown (Group Chief Financial Officer) and other senior executives.
    How many executives does T1 Energy have?
    T1 Energy has 4 executives leading key business areas.
    What roles are included in T1 Energy’s leadership team?
    The leadership team of T1 Energy includes roles such as Chairman & Chief Executive Officer, Chief Financial Officer, Group Chief Financial Officer, Chief Technology Officer.